395 results about "Gear train" patented technology

A system and method for a hybrid electric axle. The hybrid electric axle system, in one example, includes an engine interface assembly with a one-way clutch that is rotationally coupled to an input shaft and a gear shaft in a gear set that is rotationally coupled to a differential and a dog clutch configured to selectively rotationally couple the input shaft and the gear shaft in the gear set. The hybrid electric axle system further includes an electric drive assembly including a traction motor that is rotationally coupled to a gear train. In the electric axle system, the gear train is rotationally coupled to the differential and the engine interface assembly and the electric drive assembly are packaged in an axle housing.

Various motorized device designs with backlash detection systems are shown. In a specific embodiment, a motorized laser level mount includes a rotatable laser platform, a housing cover, a housing, a gear train and a backlash detection system. The backlash detection system coupled to the motor and the laser platform and configured to determine when backlash has been removed from the gear train.

The invention discloses an air-ground power multiplexing hovercar adopting electric wheel angle modules. The air-ground power multiplexing hovercar integrates electric wheels, a suspension system, a steering system, a car body and a support system. The hovercar has the dual-mode function of a land mode and a flight mode, and switching between the land mode and the flight mode is completed through cooperative work of the electric wheels, the steering system and the support system. Wherein the electric wheels and the steering system both adopt high-integration power multiplexing design, that is, a land mode and a flight mode multiplex the same set of execution motor and planetary gear train, so that the problems that too many actuators are introduced due to switching of the flight mode and the dual modes, the light weight level is low due to miscellaneous equipment, and the power consumption is low are solved to a great extent. And the problem of low-efficiency carrying of invalid loads caused by two sets of independent power is solved. The electric wheel angle module of the hovercar adopts a modular design and is also suitable for four-wheel, six-wheel and other multi-axle vehicle frameworks, and proper electric wheel angle modules can be matched and mounted according to vehicle performance requirements.

A fishing reel including a gear train and a spool is provided. The gear train is operably coupled with the spool such that the gear train is configured to transmit rotational power to the spool. When the fishing reel is in a first configuration, a crank is disengaged from the gear train to allow the gear train to receive rotational power from a motor. As a result, the motor rotates the spool without causing the crank to rotate. In contrast, when the fishing reel is in the second configuration, the crank is operably coupled with the gear train. As a result, the crank may provide rotational power to the gear train to rotate the spool. However, if the gear train begins to rotate relative to the crank, a key may move outwardly from a crank gear to cause the fishing reel to transition to the first configuration.

The invention provides a staggered tooth planetary gear train electric pre-plasticizing speed reducer. The staggered tooth planetary gear train electric pre-plasticizing speed reducer comprises a mounting flange, a first mounting block is mounted on one side of the mounting flange, a connecting block is mounted on one side of the first mounting block, a second mounting block is mounted on one side of the connecting block, and a motor is arranged on one side of the second mounting block; the transmission assembly is arranged in the connecting block, and the transmission assembly comprises a sun gear, an inner gear ring, a planet carrier, a rotating disc, a rotating shaft and a planet gear; and the lubricating assembly is arranged at the top of the second mounting block, and the lubricating assembly comprises a storage box, a pump body, a first spray pipe and a second spray pipe. According to the speed reducer, through the staggered tooth design of the multiple planet gears, meshing-in points and meshing-out points of the planet gears, the sun gear and the inner gear ring are staggered in time, noise and vibration during operation are reduced, and transmission stability is improved.

The invention provides a power transmission system and a vehicle with the same. The powertrain includes: an engine; a first motor; a second motor; the planetary gear train comprises a first planet gear and a second planet gear, the output end of the engine is connected with a first planet carrier of the first planet gear, the output end of the first motor is connected with a first sun gear of the first planet gear, and the second motor is connected with a second gear ring of the second planet gear; a first gear ring of the first planet gear is connected with a second sun gear of the second planet gear through a clutch; the input end of the output shaft is connected with at least one of the first gear ring and the second planet carrier of the second planet wheel, and the output end of the output shaft is used for outputting power; the locking assembly comprises a plurality of locking devices, the planetary gear train is provided with a plurality of locking points, and the locking devices are connected with the locking points in a one-to-one correspondence mode. The problems that a hybrid transmission system is single in mode and single in gear are solved.

Hybrid turbomachine comprising: an input shaft (a26) configured to be driven by a low-pressure turbine (102); an output shaft (a64) to drive an electric machine (104) and another output shaft (a64') to drive another electric machine (104'); a speed variator (106) to adjust the speed of each output shaft (a64, a64') according to a speed of the input shaft, comprising: a first planetary gear train (T1) having, at the input, a planet carrier (108) connected to the input shaft, a ring gear (112) and a planet (110); at the output, a first sun gear (130) connected to said output shaft, a second planetary gear train (T2) having, at the input, the ring gear (112) and another planet (120); At the output, a second sun (140) is connected to the other output shaft, and a means (MB) is provided for locking or freeing the crown. Figure for the abbreviation: Fig. 1

The utility model provides a front end transmission wheel train of an automobile transverse engine, and belongs to the technical field of automobile engine structures. According to the system, through the structural design of the transmission belt tensioning part, the problems that in the prior art, a front-end transmission wheel train of an automobile engine is relatively complex in structure, large in operation difficulty during installation and maintenance and low in efficiency are solved. The transmission belt tensioning part comprises a second adjusting column, one side of the generator is movably connected, and the other side of the generator is fixedly provided with the second adjusting column; the adjusting plate is fixedly connected to the water pump, a second adjusting groove is formed in the adjusting plate, and the second adjusting column is movably installed in the second adjusting groove; and the second fixing piece is used for fixedly mounting the generator. One side of the generator is hinged to the engine body, and the second adjusting groove is an arc-shaped groove. When the generator rotates around one side of the generator, the movement track of the second adjusting column is an arc-shaped track along the second adjusting groove.

The invention provides a lubricating structure of an electric drive system, the electric drive system and a vehicle. The lubricating structure comprises an oil pumping pipeline, a lubricating oil pump, a lubricating oil pump and a lubricating oil pump, wherein an oil inlet of the oil pumping pipeline is communicated with an oil pan in a speed reducer shell; the first oil duct is arranged on the speed reducer shell, an inlet of the first oil duct is communicated with an oil outlet of the oil pumping pipeline, a first outlet of the first oil duct is opposite to the differential shell, and the differential shell is provided with a lubricating window; the second oil duct is arranged on a second gear shaft of the second planet row, the second planet row is arranged in the differential mechanism shell, an inlet of the second oil duct is arranged close to the lubricating window, and an outlet of the second oil duct is communicated with a first gap between the second gear shaft and the second planet gear; the width of the second gear ring of the second planet row is larger than that of the second planet gear. According to the scheme, the technical problem of how to improve the cooling and lubricating effects of the coaxial speed reducer is solved.

The utility model belongs to the technical field of vehicle manufacturing, and particularly relates to a differential mechanism and a vehicle. The differential mechanism comprises a shell assembly, a clutch mechanism, a slip limiting mechanism and a transmission gear assembly. A shell cavity is formed in the shell assembly; the clutch mechanism and the slip limiting mechanism are arranged on the two axial sides of the shell assembly. The transmission gear assembly is contained in the shell cavity and comprises a differential jaw ring, a planetary gear train arranged in the differential jaw ring and half axle gears located on the two axial sides of the differential jaw ring and meshed with the planetary gear train. The clutch mechanism and the jaw of the differential jaw ring can be switched between embedding and disengagement, and the slip limiting mechanism and the jaw of the slip limiting half axle gear can be switched between embedding and disengagement. According to the differential mechanism, the clutch mechanism and the differential mechanism jaw ring are switched to be embedded or disengaged, and power transmission or disconnection is achieved. On the premise that the engagement and disengagement of the clutch mechanism and the differential jaw ring are met, the slip limiting function is switched through switching engagement or disengagement of the slip limiting mechanism and the slip limiting half axle gear.

The invention provides a locking ring type synchronizer conical surface composite texture optimized multi-gear gearbox structure. The locking ring type synchronizer conical surface composite texture optimized multi-gear gearbox structure is characterized in that a gearbox is composed of a shell, an input shaft assembly, an output shaft assembly, a gear transmission mechanism, a synchronous gear shifting mechanism and a lubricating and cooling system. The shell is designed by integrating light-weight aluminum alloy and nano ceramic radiating fins, the input / output shaft improves the transmission stability through a high-precision bearing and an overload protection structure, the gear transmission mechanism optimizes the efficiency through a modification straight gear and a planetary gear train, and the synchronous gear shifting mechanism is connected with an electronic sensor through a composite texture lock ring. According to the gearbox, the problems that a traditional gearbox is insufficient in heat dissipation, large in gear shifting impact, low in lubricating efficiency and the like are solved, transmission efficiency is improved, and the gearbox is suitable for high-end equipment such as new energy automobiles and heavy machinery.

The invention provides a gear box inner gear ring dynamic meshing force inversion method. The method comprises the following steps that an inner gear ring-box body coupling system initial finite element model is established; calculating an initial unit load-surface strain influence matrix based on the initial finite element model; correcting the initial unit load-surface strain influence matrix based on the surface strain test data of the inner gear ring under various working conditions to obtain a corrected unit load-surface strain influence matrix; and calculating the meshing force of the planetary gear in the gearbox by using the corrected unit load-surface strain influence matrix. By adopting the technical scheme of the invention, accurate meshing force data can be obtained through inversion; whether the gearbox is overloaded or abnormally impacted or not can be monitored in real time, the load distribution uniformity of the planetary gear train is analyzed, and accurate load spectrum data support is provided for predictive maintenance and residual life evaluation of the gearbox.

This invention relates to the field of electric drive control technology and discloses an automatic control method for an electric wheeled mountain vehicle under all working conditions. The method includes calculating and fusing the reference vehicle speed and transient slip ratio in pure wheeled mode; upon receiving reversing or uphill commands, constructing a state phase plane, controlling the deployment of auxiliary tracks, adjusting the target duty cycle, and calculating the target cavity pressure to generate normal support force when the slip ratio exceeds the limit, based on the Jacobian mapping relationship; controlling the shock-absorbing wheel system bracket to extend downwards and retract the auxiliary tracks to restore wheeled drive based on the slope crest pitch angle evaluation value; deploying the auxiliary tracks when the downhill trigger condition is met and combining regenerative braking with braking commands to form a composite braking state; calculating the stability margin and outputting an anti-rollover interruption command, or retracting the auxiliary tracks to execute differential drive actions when a steering signal is received. This invention improves the vehicle's traction stability, anti-rollover capability, and steering smoothness through terrain pre-control and electromechanical-hydraulic coordinated energy cascade redistribution.

A vehicle torque transmission system comprising: a transmission housing (100); a planetary gear train including a planetary gear (4), an outer ring gear (5), a plurality of planetary gears (6) meshing with the planetary gear and the outer ring gear, and a planet carrier (7) on which the planetary gears pivot via bearings (702), the planet carrier having conduits (703) configured to deliver lubricant to the bearings; the transmission housing having a first wall (101) supporting an injection device (18), the injection device having at least one outlet orifice (181) configured to project a jet of lubricant directly to the inlets of the conduits. (Shortcut Figure: 2)

An electric propulsion system for an aircraft, comprising: - an electrical power source (1) including a synchronous generator (11) driven by a heat engine (12), - a first synchronous electric motor (3) connected to an output of the synchronous generator by an alternating current electrical circuit (2), - a rotating propulsion unit (7), characterized in that it comprises: - a direct current electrical circuit (4) comprising, from an input connected to the alternating current electrical circuit: a first alternating / direct current converter (41), a direct current electrical link (42) and a second direct / alternating converter (43), - a second electric motor (5) connected to an output of the direct / alternating converter, - a differential gear train (6) including a first input shaft (61) connected to the first synchronous electric motor,a second input shaft (62) connected to the second electric motor and an output shaft (63) connected to the rotating propulsion unit. Figure for the abbreviation: Figure 1,

The utility model discloses a novel tensioning wheel support, and belongs to the technical field of engine front end wheel train accessory installation. A first cylinder mounting hole, a second cylinder mounting hole and a third cylinder mounting hole are formed in the support body, an automatic tensioning wheel mounting hole and an automatic tensioning wheel mounting pin hole are formed in the support body, a first reinforcing rib, a second reinforcing rib, a third reinforcing rib and a fourth reinforcing rib are arranged on the support body, a weight reduction structure is arranged on the support body, and the weight reduction structure and the support body are integrally formed. The weight of the support body is reduced while the strength of the support body is guaranteed. Through the positioning installation design, the stable connecting structure, the optimized reinforcing rib supporting, the lightweight and high-strength material application and the convenient disassembly, assembly and maintenance design, the assembly precision, the overall stability and the part operation reliability are improved, the overall mass of an engine is reduced, the fuel economy and performance are improved, the durability is enhanced, and the service life of the engine is prolonged. And meanwhile, the maintenance cost and time are reduced, and the arrangement flexibility and the overall performance of the engine front end gear train are greatly improved.

The application relates to the technical field of racing chassis, and discloses a racing chassis device which comprises a chassis frame, a wheel train structure, a power transmission mechanism, a rotating speed monitoring mechanism and a wheel group switching mechanism. The chassis frame comprises a main support, an auxiliary support and a bottom plate. The main support and the auxiliary support are fixedly installed on the two sides of the bottom plate through bolts. The wheel train structure is symmetrically arranged on the two sides of the main support and the auxiliary support. The wheel train structure comprises a wheel hub, a wheel hub gear, an axle and a bearing seat. The wheel hub and the wheel hub gear are coaxially installed through the axle. The axle is installed on the bearing seat. The bearing seat is installed on the chassis frame. Two groups of wheel train structures are arranged on the two sides of the main support and the auxiliary support respectively. The two groups of wheel train structures are driven through the power transmission mechanism and are used for driving the movement of the racing chassis. The compact structure design and the high-strength material are adopted, so that the weight of the chassis is reduced, and the structural firmness and durability are guaranteed.

The invention provides a method and system for adjusting the speed of a variable-frequency driving motor through a controller, and relates to the technical field of speed regulation control, and the method comprises the steps: constructing a planetary gear train coupling structure based on the dual-motor power of a frequency converter; establishing two-wire communication connection by adopting a ModBus communication protocol, and dynamically acquiring real-time operation data of the frequency converter; the real-time operation data is dynamically analyzed through a PID controller, and a real-time speed regulation decision is obtained in combination with a predetermined load response strategy; and performing speed regulation control on the planetary gear train coupling structure according to the real-time speed regulation decision. According to the invention, the technical problem of low speed regulation control precision of the motor in the prior art can be solved, the technical targets of quick response, precise speed regulation and efficient energy distribution of the motor under different load working conditions are achieved, and the technical effect of improving the speed regulation control precision of the motor is achieved.

An industrial robot has at least one translational or rotational axis, having an output element that has a toothing and at least one axis drive assembly that is associated with the translational or rotational axis and that meshes with the output element. The axis drive assembly has a drive motor and at least one transmission arranged downstream of the drive motor. In the case of a translational axis, the output element is a toothed rod. In the case of a rotational axis, the output element is a spur gear with an outer toothing. In addition, the transmission has at least one branching stage that distributes the rotational movement of the motor shaft of the drive motor to at least two gear trains, such that at least two pinions driven by means of the drive motor mesh with the output element.

The application discloses a robot joint actuator based on traction meshing gear transmission, which comprises a shell, a motor driving plate arranged in the shell, a driving device in driving connection with the motor driving plate, the driving device in driving connection with a planetary reducer, and driving force of the driving device being transmitted and output through the planetary reducer; the driving device comprises a stator and a rotor arranged in the shell, the planetary reducer comprises a rotor support rotatably arranged in the shell, and the rotor is arranged in the rotor support as a driving device; the rotor support is in transmission connection with an output wheel rotatably connected to the shell through a planetary gear train. The application discloses a robot joint actuator based on traction meshing gear transmission and a joint design method thereof, smooth power transmission is realized through traction and meshing, periodic impact is reduced, continuous and smooth transmission characteristics are realized, operation noise and vibration are reduced, and high-precision, low-noise and impact-resistant robot joint driving is realized.

The utility model discloses a planetary gear coaxial type speed reducer which comprises a shell and a planet carrier differential mechanism assembly. A cavity is formed in the shell, and the planet carrier differential assembly is arranged in the cavity. The planet carrier differential mechanism assembly comprises a planet carrier differential shell, a planet gear train and a differential mechanism, the planet carrier differential shell is rotationally supported on the inner wall of the shell, the planet gear train and the differential mechanism are integrally arranged in the planet carrier differential shell, and after external power is input into the planet gear train, the planet carrier differential shell is driven to rotate; the differential mechanism outputs power to achieve the wheel end rotating speed difference, and the input axis of the planetary gear train, the rotating axis of the planet carrier differential shell and the output axis of the differential mechanism are coaxially arranged. The integrated coaxial design is adopted in the speed reducer, so that the speed reducer is smaller in overall size, carrying arrangement on a whole vehicle is facilitated, the weight is lighter, the efficiency is higher, and lubrication is sufficient during working.

A four-motor hub motor device with a WW wheel train is disclosed, comprising four motor units, each including a motor drive unit and a motor body unit. The motor shaft of the motor body unit is connected to the input end of a reduction system via an input gear. The output end of the reduction system is connected to the wheel hub, and the wheel hub is connected to the tire, realizing power output and transmission. The reduction system includes an internal gear ring meshing with the input gear. The internal gear ring is connected to a double planetary gear shaft via a double planetary gear shaft. One side of the double planetary gear meshes with a fixed-end sun gear, which is connected to the wheel hub shaft. The other side of the double planetary gear meshes with an output-end sun gear, which is connected to the wheel hub and supported on the wheel hub shaft by a bearing system, transmitting the motor power to the wheel hub. This invention, through the four-motor hub motor device with a WW wheel train, achieves multi-motor power distribution, offering advantages such as safety, reliability, high energy utilization, convenient heat dissipation, and compact structure.

A medical instrument includes a roll mechanism that rotates an instrument shaft. The roll mechanism may include a first gear coupled to the instrument shaft and meshed with a second gear. One of gears may be a spur gear while the other gear may be a beveloid gear. Further, the spur gear and the beveloid gear may be in a gear train containing a compressible gear, e.g., a gear with an inner center piece, an outer ring, and a flexible interconnecting structure between the inner center piece and the outer ring. With a compressible gear, an interference fit of in the gear train may be within manufacturing variations of the gear train, and the compressible gear may deflect radially away from the interference fit.

The utility model relates to a pallet fork jacking synchronous gear box mounting structure for a four-way shuttle vehicle, which comprises a gear box, a jacking gear train is mounted in the gear box, the jacking gear train comprises two driving gears, at least one stage of intermediate gear is arranged between the driving gears, and the two stages of intermediate gears are meshed with each other. The two driving gears are connected with eccentric wheel driving shafts through keys respectively, the eccentric wheel driving shafts extend out of the gear box, a pair of key grooves are formed in the two driving gears in a 180-degree mode, two flat keys are installed on the same side of the eccentric wheel driving shafts, and the centers of the two flat keys are located on the same straight line. Wherein the key positioned in the gear box is matched with one key slot in the driving gear; the keys located on the outer side of the gearbox are connected with positioning reference blocks enabling the two flat keys on the eccentric wheel driving shaft to be vertically upward, and the positioning reference blocks are fixedly connected to vertical plates on the outer side of the gearbox through fasteners. The synchronous upward orientation and accurate orientation positioning of the eccentric wheel driving shaft are realized, and the accuracy of a transmission gear of a gear box is effectively guaranteed.

The invention discloses a spline transmission type multi-channel fluid distribution valve which comprises a valve body, the valve body communicates with a main connecting pipe and a plurality of auxiliary connecting pipes, and a valve element is rotationally connected into the valve body and used for selectively communicating the main connecting pipe with one of the auxiliary connecting pipes through an internal flow channel; a containing groove is formed in the bottom of the valve body, a dual-mode transmission component is arranged in the containing groove and matched with the valve element in a linkage mode, large-torque and low-rotating-speed power transmission of the valve element can be achieved in a speed reduction mode, meanwhile, high-speed rotation of the valve element can be achieved in a direct drive mode, and therefore the valve element can adapt to different working conditions. The dual-mode transmission component is in linkage switching with the spline pin through the planetary gear train, high-pressure large-flow fluid can be accurately distributed in a large-torque and low-rotating-speed mode, channels can be switched in a high-precision and high-speed mode, parts do not need to be replaced to adapt to multiple working conditions, and the universality of the valve is improved.

The invention relates to the technical field of power-assisted bicycles, and discloses a power assembly for a power-assisted bicycle and the power-assisted bicycle. The powertrain includes an epicyclic gear train including a first gear element, a second gear element, and a third gear element; the middle shaft is coupled with a pedal of the power-assisted bicycle; the first motor is coupled with the epicyclic gear train through a first gear element; the second motor and the middle shaft are coupled and connected with the epicyclic gear train through a second gear element; an output crankset coupled with the epicyclic gear train through a third gear element; the detection module is connected with the first motor and used for detecting working electrical parameters of the first motor; the control module is connected with the detection module and the second motor and used for controlling a three-phase winding of the second motor to be short-circuited and increasing the rotation resistance of the second motor under the condition that the working electrical parameters of the first motor are not matched with the preset rotation parameters of the first motor, so that the treading resistance of the pedal is increased, and the purpose of preventing a user from missing steps is achieved. And the riding experience of the rider is improved.

The invention discloses a compact double-planet-wheel electric rotor speed reducer which comprises an outer gear ring shell, a sun wheel, two planet wheels, a driving motor and a clamping device. The outer gear ring shell is of a semi-closed structure with the top open and the bottom provided with a rotor wing bottom plate, and the outer gear ring shell and the rotor wing bottom plate are assembled to form a complete transmission cavity. The interior of the outer gear ring shell is divided into an upper-layer gear cavity and a lower-layer motor cavity through a horizontal partition. The driving motor is mounted in the motor cavity and is fixed below the horizontal partition through a screw; inner teeth are formed on the peripheral side of the inner wall of the gear cavity; the sun gear and the two planet gears are positioned in the gear cavity to form a complete planetary transmission system; the clamping device is formed at the bottom end of the outer gear ring shell and is rapidly connected with an external rod piece through a bolt. By adopting a highly-integrated planetary gear train transmission scheme, miniaturization, modularization and rapid installation of a transmission system are achieved, and the transmission efficiency and use convenience are remarkably improved.

The robot joint actuator based on traction meshing gear transmission comprises a shell, a motor driving plate and a driving device in driving connection with the motor driving plate are arranged in the shell, the driving device is in driving connection with a planetary reducer, and driving force of the driving device is output through transmission of the planetary reducer; the driving device comprises a stator and a rotor which are arranged in the shell, the planetary reducer comprises a rotor support rotationally arranged in the shell, and the rotor is arranged in the rotor support as a driver; the rotor support is in transmission connection with an output wheel rotationally connected to the shell through a planetary gear train. The invention discloses a robot joint actuator based on traction meshing gear transmission and a joint design method of the robot joint actuator. Stable power transmission is achieved through traction and meshing, periodic impact is reduced, and the continuous and smooth transmission characteristic is achieved. Operation noise and vibration are reduced, and high-precision, low-noise and impact-resistant robot joint driving is achieved.

The invention discloses a transmission control system based on a series-parallel hybrid power driving device in the technical field of hybrid electric vehicles. The transmission control system comprises a vehicle information acquisition module, a vehicle-mounted control panel and a hybrid power execution module. The hybrid power execution module comprises an internal combustion engine, a motor, a clutch, a first planetary gear train and a second planetary gear train; the vehicle information acquisition module is used for acquiring rotating speed information of an output shaft of a vehicle in real time and sending the rotating speed information of the output shaft to the control panel; the control panel is based on standard rotating speed information corresponding to the gear shifting instruction of the clutch at the current time; the control panel compares the rotating speed information of the output shaft at the current time with the rotating speed information of the standard cone, judges the current motion state of the vehicle, and adjusts the power output at the current time based on the motion state of the vehicle, so that the power output of the motor and the internal combustion engine can be adjusted according to different conditions of the current road; the power performance and the economic performance of the vehicle are improved.

A method performed by an apparatus may comprise defining a Markov decision process (MDP) for use in deep reinforcement learning associated with gear train topology, representing the gear train topology based on the MDP, generating the gear train topology through deep reinforcement learning of a deep Q-network (DQN), and constructing a gear train based on the generated gear train topology.